GMDSS单选题200.docx

GMDSS单选题200.docx

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GMDSS单选题200

GMDSS题库

一、单选题：

1.______isagenerictermmeaning,asthecasemaybeuncertaintyphase,alertphaseordistressphase.

A.Emergencyphase.B.DistressphaseC.Alertphase.D.Uncertaintyphase.

2.WhenapproachingtheSARscene,shipsshouldmakefulluseofanyradiodirection-findingfacilitiesto________andtolocateanytransmissionsfromEPIRB.

A.findB.searchC.homeD.transmit

3.Itisimportantthat_________forindicatingthepositionofshipsindistressorsurvivalcraftshouldbeproperlyused.

A.communicationmethodsB.signalingmethodsC.rocketsandhandflares.D.Allareright

4.ThebroadcastofMSIwillbemade______________.

A.continuouslyB.onterrestrialcommunicationsystem

C.onsatellitecommunicationsystemD.bothBandC.

5.TheINMARSATspacesegmentconsistsofthesatelliteandsupportfacilitiesoperatedbyINMARSAT.thesesatellites____________.

A.aren’tmovingB.arestationaryC.areingeostationaryorbitsD.areinthepolarorbits.

6.________isanareawithintheradiotelephonecoverageofatleastoneVHFcoaststationinwhichcontinuousDSCalertingisavailable.

A.SeaareaA1.B.SeaareaA2C.SeaareaA3D.SeaareaA4.

7.________isanarea,excludingareaA1,withintheradiotelephonecoverageofatleastoneMFcoaststationinwhichcontinuousDSCalertingisavailable.

A.SeaareaA1.B.SeaareaA2.C.SeaareaA3.D.SeaareaA4.

8.________isanareaexcludingseaareaA1andA2,withinthecoverageofanINMARSATgeostationarysatelliteinwhichcontinuousalertingisavailable.

A.SeaareaA1.B.SeaareaA2.C.SeaareaA3.D.SeaareaA4.

9._________issafetycommunicationbetweenshipsfromthepositionfromwhichtheshipsarenormallynavigated.

A.VHFcommunication.B.MFcommunication.

C.INMARSATcommunication.D.Bridge-to-bridgecommunication.

10.________includesnavigationalandmeteorologicalwarnings,meteorologicalforecastsandotherurgentsafetyrelatedmessagesbroadcasttoships.

A.Distresstraffic.B.Urgencycommunication.

C.Publiccorrespondence.D.MaritimeSafetyInformation.

11.________isaunitresponsibleforpromotingefficientorganizationofSARservicesandforcoordinatingtheconductofSARoperationswithaSARregion.

A.NCC.B.RCC.C.NSC.D.LUT.

12._________isaradiocommunicationserviceinwhichtransmissionsareintendedfordirectreceptionbythegeneralpublic.

A.Receivingservice.B.AMservice.C.FMservice.D.Broadcastingservice.

13.________isasatellite-aidedSARsystembasedonlow-altitudenearpolarorbitingsatellitesanddesignedtolocatedistressbeaconstransmittingonthefrequencies121.5MHzand406MHz.

A.GPSsystem.B.INMARSATsystem.C.NNSSsystem.D.COSPAS-SARSATsystem.

14._______isthecoordinatebroadcastandautomaticreceptionon518kHzofMSIbemeansofNBDPusingtheEnglishLanguage.

A.InternationalNAVTEX.B.NationalNAVTEX.

C.BroadcastofMSIreceptionofMSI.D.HFMSIBroadcast.

15.MCCistheabbreviationforMission______Centre.

A.CorrectionB.Certificate.C.ControlD.Calling.

16.IDDistheabbreviationforInternational______Dialing.

A.Data.B.Datum.C.Direct.D.Distress.

17.TheletterGinGMDSSistheabbreviationfortheword___________.

A.Global.B.General.C.Ground.D.Group.

18.ThesecondletterSinSSBistheabbreviationfortheword_________.

A.Single.B.Side.C.Shipyard.D.Safety.

20.FECistheabbreviationforForward_______Correction.

A.East.B.Error.C.Earth.D.Easy.

21.Theworldwidenavigational_______service,isacoordinateglobeserviceforthebroadcastbyradioofvitalinformationonhazardstomarinenavigation.

A.Weather.B.Watch.C.Warning.D.Wire.

22.VDUistheabbreviationforVisual_____Unit.

A.Data.B.Direct.C.Digital.D.Display.

24.ChoiceofHFbandswilldependonthepositionoftheshipindistress,thegeographicalareatobealertedandcurrent_______.

A.communicationcongestion.B.dayandnightcharacteristics.

C.propagationcharacteristics.D.equipmentconditions.

25.InGMDSS,MSIbroadcastswillbemadeontwo_____whichprovidenearcontinuousautomatedreceptiononboardships.

A.dedicatedsystems.B.associatedsystems.C.differentsystems.D.varioussystems.

26.Thecoverageareaforasatelliteisdefinedastheareaontheearth’ssurfacewithinwhich______canbemadewiththesatellite.

A.lineofsightcommunication.B.servicecommunication.

C.two-waycommunication.D.locatingsignal.

27.TheserviceofMSIprovidesacombinednewsbroadcastsuitablefor_______inallprincipalwatersoftheglobe.

A.avessel.B.somevessels.C.allships.D.somespecificships.

28.BeforeanINMARSAT-ASEScanbeusedintheINMARSATsystem,itmusthavebeenproperly________.

A.fixedandtried.B.performedandconfirmed.

C.observedandsurveyed.D.installedandcommissioned.

29.COSPAS-SARSATconsistsof__satellitesinpolarorbitandanetworkofearthstations.

A.aB.afewof.C.4.D.aconstellationof.

30.DistressbeaconstransmitsignalsthataredetectedbyCOSPAS-SARSATspacecraftin___.

A.polarorbit.B.geostationaryorbit.C.equator.D.clouds.

31.Everyship,whileatsea,______maintaincontinuouswatchonVHFDSCchannel70.

A.willB./C.shallD.should.

32.TheappropriatecertificaterelatedtotheGMDSS_____bytheadministrationconcerned.

A.issold.B.isgivenorallowed.C.iskeptandedited.D.issuedorrecognized.

33.Thecommunicationarrangementsaredesignedtoenabledistressalertingtobeperformedin______directionsinallseaareas.

A.one.B.two.C.three.D.four.

34.TheSARTshouldprovidea______indicationofitscorrectoperationandalsoinformthesurvivorswhenitisinterrogatedbyradar.

A.visual.B.audible.C.smelling.D.AorB.

35.Warningsaretransmittedatspecifiedtimesandremaininforce______theinformationisvalid.

A.sothat.B.evenif.C.aslongas.D.otherthan.

36.DSCwillformthebasisfordistressalertingandsafetycalling.TheabbreviationDSCmeans_______.

A.DistresssafetyControlB.DifficultStandardCommunication.

C.DigitalSelectiveCalling.D.DifferentSystemCommunication.

37.The_______isthenervecenterofINMARSATsystem,anditislocatedintheINMARSATheadquarters’buildinginLondon.

A.SES.B.CES.C.OCC.D.NCS.

38.The________consistsoftwoparts:

theabovedeckequipment（ADE）andthebelowdeckequipment（BDE）.

A.SES.B.CES.C.OCC.D.NCS.

39.Theterm_______isincludedinthegenericnameLandEarthStation（LES）,whichappliestoearthstationsusedforeithermaritimeorland-basedcommunication.

A.SES.B.CES.C.MES.D.RCC.

40.Technicalcode（B1B2B3B4）inNAVTEXappearsinthe__________.

A.startingofeachmessage.B.endingofeachmessage.

C.preambleofeachmessage.D.frameworkofeachmessage.

41.Intechnicalcode（B1B2B3B4）,the_______isasingleuniqueletterwhichisallocatedtoeachmessagetransmitter.

A.B1.B.B2.C.B3B4.D.B1B2.

42.Eachshipstationhasitsownunique_______MMSIwhichisincludedautomaticallyineachDSCcall.

A.4-digit.B.5-digit.C.7-digit.D.9-digit.

43.The______responsibleforcontrollingaSARoperationshallalsocoordinatethedistresstraffic.

A.NCS.B.CES.C.OCC.D.RCC.

44.Theurgencytrafficshallbesentonlyontheauthorityofthe_______responsibleforthemobileunit.

A.chiefengineer.B.master.C.dutyofficer.D.telegrapher.

45.Thereareatpresentthreetypesofbeacons,namelyELTs,EPIRBsandPLBs._______isusuallyusedonboardship.

A.ELTs.B.EPIRBs.C.PLBs.D.GPS.

46.OnrangeofVHF,thosetransmittersandreceiverswithinradiosight_______automaticallyguaranteethatanacceptablesignalwillbereceivedatthepoint.

A./.B.do.C.don’tD.doesnot.

47.TheGMDSSwillbefullyimplementedin_____,whenexceptforafewremainingstations,useofMorseradiotelegraphybyshipswillcease.

A.1995.B.1999.C.2001.D.2010.

48._____istheAutomaticRepetitionrequestwhichisusedinNBDPmode.

A.FEC.B.SELCALL.C.ARQ.D.RC.

49.________israpidandsuccessfulreportingofadistressincidenttoaunitwhichcanprovideorcoordinateassistance.

A.Distresschannel.B.Distressalerting.C.Distresscall.D.Distresspriority.

50.Allships,accordingtotherequirementsforradiocommunicationunder________,shouldbefittedwithrediotelephoneequipment.

A.STCW.B.IMO.C.SOLAS.D.MARPOL.

51.AlthoughsatelliteswillplayanimportantroleintheGMDSS,theywillnotcompletelyreplacethe____.

A.Globalsystem.B.Signalingsystem.C.Terrestrialsystem.D.Transmittingsystem.

52.TheGMDSSincludesthreesub-systems:

INMARSATsystem,COSPAS-SARSATsystemand_________.

A.GPSsystem.B.NAVTEXsystem.C.terrestrialradiosystem.D.DSCsystem.

53.Coastalvesselswillonlyhavetocarryminimalequipmentiftheydonotoperatebeyondtherangeofshore-based_______radiostation.

A.VHF.B.MF.C.HF.D.UHF.

54.Thetransmissionofa________indicatesthatashipisindistressandrequiresimmediateassistance.

A.urgenttraffic.B.distressalert.C.routinetraffic.D.safetytraffic.

55.ThesatellitesofINMARSATareplacedina____,35700kmoverthemajoroceanregions.

A.polarorbit.B.geostationaryorbitC.theMilkyway.D.theMoon.

56.ASEScancommunicateviathatsatellitewithanyCESthatisalsopointedat______.

A.Thesamedirection.B.theMoon.C.thesamesatellite.D.theothersatellite.

57.ForshipsequippedwithanINMARSATSES,sendingadistressalertis_______.

A.bothspecialandslow.B.bothcomplexandcertain.

C.bothgeneralandgiant.D.bothsimpleandcertain.

58.Therear